tertiary 六级专八

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

Tertiary education follows secondary education.

高等教育紧跟中等教育。

Behaviors of armeen,tertiary amine,poly-amide and ether amide in floatation of kaolinite,pyrauxite and illite are studied.

研究了脂肪伯、叔、和醚四种药剂对高岭石、叶腊石、伊利石的浮选行为,结果表明捕收能力顺序为>叔>醚>脂肪>伯。

Occurring in yellow, golden and brown colors, Baltic Amber is also known as Succinite after its parent tree pinus succinfera that was common in the tertiary period, some 50 million years ago.

波罗的海琥珀呈金黄和褐黄色，也就是通常人们说的琥珀色。她的母本树种是5千万年前第三纪常见的松科琥珀林。